christiangenco · November 1, 2016 06:24
diff --git a/pi_monte.rb b/pi_monte.rb
 def pi_monte(n=100_000)
  inside = total = 0

  n.times{
    x, y = rand*2-1, rand*2-1
    d = Math.sqrt(x**2+y**2)
    if d < 1
      inside += 1
    end

    total += 1
  }

  (1.0*inside/total)*4
 end

 pi = pi_monte
 p pi
 p ((pi - Math::PI) / Math::PI) * 100
	def pi_monte(n=100_000)
	inside = total = 0

	n.times{
	x, y = rand2-1, rand2-1
	d = Math.sqrt(x2+y2)
	if d < 1
	inside += 1
	end

	total += 1
	}

	(1.0inside/total)4
	end

	pi = pi_monte
	p pi
	p ((pi - Math::PI) / Math::PI) * 100